Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/pr61240.c @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/pr61240.c Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,20 @@ +/* PR c/61240 */ +/* { dg-do compile } */ + +typedef __PTRDIFF_TYPE__ ptrdiff_t; + +ptrdiff_t +foo (ptrdiff_t a[4]) +{ + int i[4]; + int *p = i + 2; + static ptrdiff_t b = p - (p - 1); /* { dg-bogus "integer overflow in expression" } */ + static ptrdiff_t c = (p - 1) - p; /* { dg-bogus "integer overflow in expression" } */ + static ptrdiff_t d = (p - 2) - (p - 1);/* { dg-bogus "integer overflow in expression" } */ + static ptrdiff_t e = (p - 1) - (p - 2);/* { dg-bogus "integer overflow in expression" } */ + a[0] = p - (p - 1); /* { dg-bogus "integer overflow in expression" } */ + a[1] = (p - 1) - p; /* { dg-bogus "integer overflow in expression" } */ + a[2] = (p - 2) - (p - 1); /* { dg-bogus "integer overflow in expression" } */ + a[3] = (p - 1) - (p - 2); /* { dg-bogus "integer overflow in expression" } */ + return b + c + d + e; +}